<div class="index_title">
	<span>通达网络办公系统</span>
	<strong></strong>
</div>
<div class="display_time">
	<span id="clock"></span>
	<script type='text/javascript'>
	//电子时钟
	var clock = new Clock();
	clock.display(document.getElementById("clock"));
	</script>
</div>
